What is the Informais Força de Vendas (IFV) application, how does it work?

According to the introduction of Informais Informática, Informais Força de Vendas (IFV) is a Productivity app on the Android platform. There is currently a 1.6 version released on Aug 27, 2019, you can see the details below.

This application is for the exclusive use of users accredited by Informais Informática and may NOT be used by ordinary users.
If you are not linked to one of our customers, we suggest that you do not download this App, as we will not be able to use it.